Заполните пропуски соответствующей по смыслу активной или пассивной формой глагола и переведите предложения на русский язык

1. The unit of electricity "farad" (was named, named) after

M. Faraday.

2. The first lightning rod (was invented, invented) by B. Franklin, the outstanding American scientist.

3. At Cambridge, Newton (was read, read) with great interest the writings of Galileo.

4. Переведите предложения на русский язык, обращая внимание на инфинитивные обороты:

1. Faraday is believed to be a great English physicist.

2. We consider Tsiolkovsky to be the father of astronautics.

3. Popov is known to be the inventor of radio in Russia.

Составьте три специальных и три общих вопроса к тексту.

Запишите 5 прилагательных в сравнительной и превосходной степенях и переведите их на русский язык.

Вариант 5

1. Прочитайте и переведите текст:

Electricity can be dangerous if it is carelessly used. A faulty installation or a defective piece of equipment can cause a serious fire and there is also a danger of an electric shock.

Many precautions are taken and safety devices are used to minimize these dangers.

The most common safety device used in every household installation is the ordinary fuse. This is simply a piece of wire which is connected in series in the circuit. It is of such resistance that it will melt and therefore break the current, if the current flowing in the circuit exceeds a certain amount. When it happens, we say the fuse “blows”.

2. Ответьте на следующие вопросы:

1. What is the most common safety device?

2. What happens when the current exceeds a certain amount?

3. When happens when the current exceeds a certain amount?

Заполните пропуски соответствующей по смыслу активной или пассивной формой глагола и переведите предложения на русский язык

1. In 1745 Lomonosov (was appointed, appointed) a professor at the Academy of Sciences.

2. The first electric lamp (was invented, invented) in 1873 by A. N. Lodygin.

3. In 1911 Marie Curie (was received, received) the Nobel Prize in Chemistry.

4. Переведите предложения на русский язык, обращая внимание на инфинитивные обороты:

1. Lomonosov considered chemistry to be his "main profession".

2. The air is known to be a mixture of gases.

3. Lomonosov is considered to be a Great Russian scientist.

Составьте три специальных и три общих вопроса к тексту.

6. Запишите 5 прилагательных в сравнительной и превосходной степенях и переведите их на русский язык.

Вариант 6

1. Прочитайте и переведите текст:

Oxygen is the most abundant of 104 elements. It was discovered in 1774 by Joseph Priestly, who obtained it by heating mercuric oxide. In industry oxygen is obtained by fractional distillation of liquid air.

Oxygen is a colourless gas. It smells slightly of chlorine. It is denser than air and soluble in water. Oxygen doesn't burn but supports burning.

Oxygen is used to produce iron from ore in a blast – furnace and convert iron into steel. It produces a higher furnace temperature and gives a flame with a temperature of about 3,000°. This flame melts steel easily. Oxygen is also used for cutting and welding metal sections.

2. Ответьте на следующие вопросы:

1. When was oxygen discovered?

2. What are the properties of oxygen?

3. How is oxygen used in industry?

Заполните пропуски соответствующей по смыслу активной или пассивной формой глагола и переведите предложения на русский язык

1. At first, the Periodic Law (was received, received) very coldly by other scientists.

2. In 1893 Mendeleev (was appointed, appointed) Director of the Bureau of Weights and Measures.

3. B. Franklin (was founded, founded) the first public library and the University of Pennsylvania.

Переведите предложения на русский язык, обращая внимание на инфинитивные обороты:

1. The year 1895 is considered to be the date of the invention of the radio.

2. We consider Mendeleev to be a great Russian scientist.

3. Manchester is known to be the centre of cotton industry.

Составьте три специальных и три общих вопроса к тексту.